Excellent water quality is a smart business decision.

When you install a G1 Reverse Osmosis system, you combine cost-effective system configuration, cost-minimizing operations, and reduced post-treatment costs. The G1 Reverse Osmosis system helps you reduce maintenance costs by reducing contaminants (Contaminants may not necessarily be in your water.) from your water that affect taste and clog equipment. Control your installation costs by using a system configured for your unique needs. Keep your operating costs low by monitoring and changing the G1 RO settings with an easy-to-use electronic controller. Purchasing a G1 RO is more than a sound business decision - you improve the quality of life for your building.
Unit of Measure
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Culligan® G1 Series Reverse Osmosis Systems

Culligan® G1 Series 0.35 Gallons Per Minute (gpm) Nominal Capacity Reverse Osmosis System

Culligan® G1 Series Reverse Osmosis Systems

Culligan® G1 Series 0.52 Gallons Per Minute (gpm) Nominal Capacity Reverse Osmosis System

Culligan® G1 Series Reverse Osmosis Systems

Culligan® G1 Series 0.69 Gallons Per Minute (gpm) Nominal Capacity Reverse Osmosis System

Culligan® G1 Series Reverse Osmosis Systems

Culligan® G1 Series 0.83 Gallons Per Minute (gpm) Nominal Capacity Reverse Osmosis System

Culligan® G1 Series Reverse Osmosis Systems

Culligan® G1 Series 1.18 Gallons Per Minute (gpm) Nominal Capacity Reverse Osmosis System
Description N/A Excellent water quality is a smart business decision.

When you install a G1 Reverse Osmosis system, you combine cost-effective system configuration, cost-minimizing operations, and reduced post-treatment costs. The G1 Reverse Osmosis system helps you reduce maintenance costs by reducing contaminants (Contaminants may not necessarily be in your water.) from your water that affect taste and clog equipment. Control your installation costs by using a system configured for your unique needs. Keep your operating costs low by monitoring and changing the G1 RO settings with an easy-to-use electronic controller. Purchasing a G1 RO is more than a sound business decision - you improve the quality of life for your building.
Brands N/A Culligan®
Type N/A Reverse Osmosis
Inlet Pressure (Dynamic) N/A 20 to 50 psig1.4 to 3.5 bar
Maximum Operating Pressure N/A 95 to 225 psig6.6 to 15.5 bar
Voltage N/A 115 V
Frequency N/A 60 Hz
Phase N/A 1
Feed Water Temperature N/A 33 to 100 ºF1 to 40 ºC
Maximum Turbidity N/A <1 NTU
Water Range N/A 3 to 11 pH
Maximum Chlorine N/A 0 mg/L
Maximum Total Dissolved Solids (TDS) N/A 2500 mg/L
Well Water Silt Density Index N/A <3
Surface Water Silt Density Index N/A <5
Maximum Iron N/A <0.1 mg/L
Nominal Salt Rejection N/A >98 %
Product Water Hardness (Raw) N/A <1 %
Nominal Capacity1 N/A 0.35 gpm1.31 L/min500 gal/d0.08 m³/h N/A 0.52 gpm1.97 L/min750 gal/d0.12 m³/h N/A 0.69 gpm2.63 L/min1000 gal/d0.16 m³/h N/A 0.83 gpm3.15 L/min1200 gal/d0.19 m³/h N/A 1.18 gpm4.47 L/min1700 gal/d0.27 m³/h
Module Quantity N/A 2 N/A 3 N/A 4 N/A 2 N/A 3
Module Size N/A 2.5 x 21 in N/A 2.5 x 21 in N/A 2.5 x 21 in N/A 2.5 x 40 in N/A 2.5 x 40 in
Nominal System Recovery N/A 50 %
Motor Power N/A 1/3 hp0.25 kW N/A 1/3 hp0.25 kW N/A 1/3 hp0.25 kW N/A 3/4 hp0.56 kW N/A 3/4 hp0.56 kW
Length N/A 37 in940 mm
Width N/A 10 in254 mm
Height N/A 37.75 in959 mm N/A 37.75 in959 mm N/A 37.75 in959 mm N/A 46.25 in1175 mm N/A 46.25 in1175 mm
Markets Served N/A Agriculture Assisted Living Automotive Bio-Pharmaceutical Botanicals Bottled Water Plants Casinos Chemical Processing Commercial Buildings Dairies Educational Facilities Electronics Energy/Power/Cogeneration Food/Beverage Government Grocery Health Clubs Hospitals/Healthcare Hotels/Lodging Ink/Dye Production Laboratories Laundry Manufacturing Marine Military Multi-Unit Housing Municipalities Oil/Petroleum/Gas Plating/Coating Printing Pulp and Paper Textile Theme Parks Universities Vehicle Wash
Examples of Reverse Osmosis (RO) Applications N/A
  • Ice Production/Drinking Water (Reduces scaling, improves taste and clarity)
  • Steam Production (Reduces scaling and maintenance)
  • Humidification (Reduces scaling and dusting)
  • Misting (Reduces scaling, improves taste and clarity)
  • Pretreatment for High Purity Systems (Reduces regeneration requirements)
  • Reclaim/Recycling (Water conservation)
  • Washing and Rinsing (Improves performance, spot-free rinses)
Standard Features N/A
  • Wall Mount Design
  • Rotary Vane Pump
  • Inlet Solenoid Valve
  • Pretreatment Sediment Filter
  • Concentrate and Recirculation
  • Throttling Valves
  • Pressure Indicators
  • FRP Membrane Housing
  • Electronic Turbine Style Flow Meters
  • Culligan® Electronic Control Panel
    • Telemetric Capability
    • Comprehensive System Monitoring
    • Lighted Alphanumeric Display
    • TDS Monitoring of Water Quality
    • Low Pressure Switch and Auto Restart
  • Connection for Pretreatment Signal Switch and Level Control
  • Elapsed run time monitor
  • Visual Alarms
  • Remote Alarm Output Connection
  • System Flow Rate Monitoring
  • User Selectable Flush Options
Optional Features and Accessories N/A
  • Leak Sensor
  • Multi-Stage Pretreatment Filters
  • Wireless Remote Digital Display
  • RS232, RS485 Output
  • Two Pass
  • Storage Tanks
  • Level Controls
  • Chemical Feed Pumps
  • Ultraviolet Sterilization
  • Pressurized Storage System
  • Floor Stand
  • Global Power Platform
  • 220 v/50 HZ
  • Additional Customization
  • Available on Request
Culligan® Commercial and Industrial Advantages N/A
  • Simple System Integration
  • Global Product Platform
  • Flexible Configurations
  • Quick Delivery/Easy Installation
  • Exclusive Culligan® Advanced Electronics
    • Historical Operating Data
    • Alarm Recognitions
    • US Standard and Metric Readings
    • Remote Monitoring Options
    • Telemetry Options
Additional Information N/A The G1 RO is part of the Culligan® Commercial and Industrial Solutions that combine durable and efficient equipment, systems experience, and technical experts who understand your unique requirements. From planning your system to installing your water treatment equipment, Culligan® Commercial and Industrial Solutions offer options that help deliver the quality of water to meet your needs. Consult with a Culligan® representative to create your solution.
  • 1 Nominal capacity based on new RO membranes operating on a properly pretreated feed water of 500 ppm TDS as NaCl, 77 ºF (25 ºC), Silt Density Index (SDI) below 3, and supplying water to atmosphere. Productivity will vary depending on the actual feed water quality and temperature.